/* apps-exhibition.css - v2.1
 * 优化项：
 * - PC端：下载按钮 hover 背景模糊浮现
 * - 移动端：触摸点击显示下载按钮
 * - 平台标签全部显示（不折叠）
 * - 轮播导航箭头
 * - aspect-ratio fallback 防止 CLS
 */

/* === 重置样式 === */
#apps-exhibition-root,
#apps-exhibition-root * {
    box-sizing: border-box;
}

#apps-exhibition-root a {
    text-decoration: none;
}

#apps-exhibition-root img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* --- 全局容器 --- */
#apps-exhibition-root {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 15px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ===========================================
   首页海报幻灯片
   =========================================== */
#apps-exhibition-root .home-posters-container {
    width: 100%;
    max-width: 100%;
    aspect-ratio: 16 / 6;
    margin-bottom: 20px;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 18px rgba(0,0,0,0.15);
}

/* aspect-ratio fallback */
@supports not (aspect-ratio: 16/6) {
    #apps-exhibition-root .home-posters-container {
        height: 0;
        padding-bottom: 37.5%;
    }
}

#apps-exhibition-root .home-posters-container .swiper-wrapper {
    height: 100%;
}

#apps-exhibition-root .home-posters-container .swiper-slide {
    height: 100%;
}

#apps-exhibition-root .home-posters-container .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 12px;
}

#apps-exhibition-root .home-posters-container .download-btn {
    position: absolute;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    z-index: 20;
}

#apps-exhibition-root .home-posters-container.no-pointer-events .swiper-slide img {
    pointer-events: none;
}

#apps-exhibition-root .home-posters-container.no-pointer-events .swiper-slide {
    pointer-events: none;
    user-select: none;
}

#apps-exhibition-root .home-posters-container.no-pointer-events .slide-download-btn-position {
    pointer-events: auto;
    user-select: auto;
}

#apps-exhibition-root .swiper-pagination {
    bottom: 10px;
}

/* --- 轮播导航箭头 --- */
#apps-exhibition-root .swiper-button-prev,
#apps-exhibition-root .swiper-button-next {
    display: flex;
    color: #fff;
    opacity: 0;
    transition: opacity 0.3s ease;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 50%;
}

#apps-exhibition-root .swiper-button-prev::after,
#apps-exhibition-root .swiper-button-next::after {
    font-size: 18px;
    font-weight: bold;
}

#apps-exhibition-root .home-posters-container:hover .swiper-button-prev,
#apps-exhibition-root .home-posters-container:hover .swiper-button-next {
    opacity: 1;
}

#apps-exhibition-root .swiper-button-prev:hover,
#apps-exhibition-root .swiper-button-next:hover {
    background: rgba(0, 0, 0, 0.5);
}

/* ===========================================
   筛选过滤器
   =========================================== */
#apps-exhibition-root .apps-exhibition-filter-group {
    margin-bottom: 20px;
    width: 100%;
    background: #fff;
    border: 1px solid #e8eaed;
    border-radius: 14px;
    padding: 12px 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

#apps-exhibition-root .apps-exhibition-filter {
    font-size: 15px;
    user-select: none;
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 10px;
    margin: 0;
    padding: 0;
}

#apps-exhibition-root .apps-exhibition-filter .filter-label {
    font-weight: 600;
    color: #444;
    white-space: nowrap;
    font-size: 15px;
    flex-shrink: 0;
    line-height: 34px;
    padding-right: 4px;
}

#apps-exhibition-root .filter-scroll {
    flex: 1;
    min-width: 0;
    overflow: visible;
}

#apps-exhibition-root .filter-scroll-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

#apps-exhibition-root .apps-exhibition-filter .filter-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 7px 16px;
    background: #f5f6f8;
    color: #4a4a4a;
    border-radius: 18px;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
    font-size: 14px;
    line-height: 1.3;
    white-space: nowrap;
    user-select: none;
    border: 1px solid transparent;
    text-decoration: none;
    font-weight: 500;
}

#apps-exhibition-root .apps-exhibition-filter .filter-btn:hover {
    background: #e8f1ff;
    color: #0056b3;
    border-color: #b8d4f5;
    text-decoration: none;
}

#apps-exhibition-root .apps-exhibition-filter .filter-btn.active {
    background: #007bff;
    color: #fff;
    border-color: #007bff;
    /* 避免被父容器 overflow:hidden 裁剪，改用边框和内阴影表现激活态 */
    outline: none;
    box-shadow: inset 0 -1px 2px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(0, 123, 255, 0.75);
    text-decoration: none;
}

#apps-exhibition-root .apps-exhibition-filter .filter-btn.active:hover {
    background: #0069d9;
    border-color: #0069d9;
    color: #fff;
}

/* ===========================================
   应用列表网格
   =========================================== */
#apps-exhibition-root .apps-exhibition-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 15px;
    margin: 0;
    padding: 0;
    list-style: none;
}

#apps-exhibition-root .apps-exhibition-item.hidden {
    display: none;
}

/* ===========================================
   应用卡片
   =========================================== */
#apps-exhibition-root .apps-exhibition-item {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 15px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.06);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
    display: flex;
    align-items: flex-start;
    gap: 15px;
    position: relative;
    overflow: hidden;
    min-height: 102px;
    cursor: pointer;
    margin: 0;
    flex-direction: row;
}

#apps-exhibition-root .apps-exhibition-item:hover {
    box-shadow: 0 8px 18px rgba(0,0,0,0.12);
    transform: translateY(-2px);
}

/* 空结果提示 */
#apps-exhibition-root .no-results-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px 20px;
    color: #666;
    font-size: 16px;
    margin: 0;
}

/* --- 应用图标 --- */
#apps-exhibition-root .app-icon-wrapper {
    width: 72px;
    height: 72px;
    flex-shrink: 0;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
}

#apps-exhibition-root .app-icon-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 0;
}

/* 文字内容区域 */
#apps-exhibition-root .app-text-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    line-height: 1.3;
    overflow: visible;
    margin: 0;
    padding: 0;
    gap: 4px;
}

/* 应用名称 */
#apps-exhibition-root .app-name {
    margin: 0;
    padding: 0;
    font-weight: 600;
    font-size: 18px;
    color: #333;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
    flex-shrink: 0;
}

/* 应用描述 - 限制2行 */
#apps-exhibition-root .app-desc {
    margin: 0;
    padding: 0;
    font-size: 14px;
    color: #777;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    word-break: break-word;
    flex-shrink: 0;
}

/* --- 平台标签（全部显示，不折叠） --- */
#apps-exhibition-root .app-platform-tags {
    margin: 6px 0 0 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    list-style: none;
}

#apps-exhibition-root .app-platform-tags .platform-tag {
    display: inline-block;
    background: rgba(0, 123, 255, 0.1);
    color: #1a5276;
    font-size: 12px;
    font-weight: 500;
    padding: 3px 11px;
    border-radius: 14px;
    margin: 0;
    user-select: none;
    line-height: 1.2;
    border: 1px solid rgba(0, 123, 255, 0.25);
    transition: background-color 0.2s ease, border-color 0.2s ease;
    white-space: nowrap;
}

#apps-exhibition-root .app-platform-tags .platform-tag:hover {
    background: rgba(0, 123, 255, 0.2);
    border-color: rgba(0, 123, 255, 0.4);
    color: #0d3b66;
}

/* ===========================================
   PC端：悬停显示下载按钮（背景模糊遮罩）
   =========================================== */
#apps-exhibition-root .app-hover-action {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-right: 15px;
    gap: 8px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    border-radius: 12px;
    pointer-events: none;
    z-index: 5;
    margin: 0;
}

/* PC端 hover 显示 */
#apps-exhibition-root .apps-exhibition-item:hover .app-hover-action {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* 移动端触摸激活（通过 JS 添加 .touch-active 类） */
#apps-exhibition-root .apps-exhibition-item.touch-active .app-hover-action {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* --- 下载按钮 --- */
#apps-exhibition-root .download-btn {
    background-color: #007bff;
    color: #f0f0f0;
    text-decoration: none;
    padding: 8px 20px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 14px;
    transition: background-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
    white-space: nowrap;
    box-shadow: 0 2px 6px rgba(0,123,255,0.25);
    min-width: 70px;
    text-align: center;
    border: none;
    cursor: pointer;
    display: inline-block;
    line-height: 1.4;
}

#apps-exhibition-root .download-btn:hover,
#apps-exhibition-root .download-btn:focus {
    background-color: #004d99;
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(0, 77, 153, 0.5);
    outline: none;
    text-decoration: none;
}

#apps-exhibition-root .download-btn.download-btn-disabled {
    background-color: #ced4da;
    color: #6c757d;
    cursor: not-allowed;
    box-shadow: none;
}

/* ===========================================
   移动端适配 (768px以下)
   - 触摸点击显示下载按钮
   - 平台标签全部显示
   =========================================== */
@media (max-width: 768px) {
    /* 海报容器移动端适配：与桌面统一 16:6，避免两端不同比例导致裁切 */
    #apps-exhibition-root .home-posters-container {
        aspect-ratio: 16 / 6;
        margin-bottom: 15px;
    }

    @supports not (aspect-ratio: 16/6) {
        #apps-exhibition-root .home-posters-container {
            padding-bottom: 37.5%;
        }
    }

    /* 移动端隐藏导航箭头 */
    #apps-exhibition-root .swiper-button-prev,
    #apps-exhibition-root .swiper-button-next {
        display: none;
    }

    /* 应用列表单列显示 */
    #apps-exhibition-root .apps-exhibition-list {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    /* 卡片 */
    #apps-exhibition-root .apps-exhibition-item {
        padding: 12px;
        min-height: auto;
    }

    /* 移动端取消 hover 动效 */
    #apps-exhibition-root .apps-exhibition-item:hover {
        transform: none;
        box-shadow: 0 4px 10px rgba(0,0,0,0.06);
    }

    /* 移动端 hover 不生效，但触摸激活时生效 */
    #apps-exhibition-root .apps-exhibition-item:hover .app-hover-action {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
    }

    #apps-exhibition-root .apps-exhibition-item.touch-active .app-hover-action {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    /* 图标尺寸调整 */
    #apps-exhibition-root .app-icon-wrapper {
        width: 56px;
        height: 56px;
        border-radius: 12px;
    }

    /* 应用名称字体调整 */
    #apps-exhibition-root .app-name {
        font-size: 16px;
    }

    /* 应用描述字体调整 */
    #apps-exhibition-root .app-desc {
        font-size: 13px;
        line-height: 1.3;
    }

    /* 平台标签间距调整 */
    #apps-exhibition-root .app-platform-tags {
        margin-top: 5px;
        gap: 5px;
    }

    #apps-exhibition-root .app-platform-tags .platform-tag {
        font-size: 11px;
        padding: 2px 9px;
    }

    /* 下载按钮移动端调整 */
    #apps-exhibition-root .app-hover-action .download-btn {
        padding: 6px 14px;
        font-size: 13px;
        min-width: 60px;
    }

    /* 筛选分类：移动端改为横向滚动 */
    #apps-exhibition-root .apps-exhibition-filter-group {
        padding: 10px 12px;
        border-radius: 12px;
        /* 关键修复：移动端裁剪胶囊溢出，避免超出圆角卡片边界 */
        overflow: hidden;
        /* 用 drop-shadow 替代 box-shadow，避免被 overflow:hidden 裁剪掉 */
        box-shadow: none;
        filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.04));
    }

    #apps-exhibition-root .apps-exhibition-filter {
        gap: 8px;
    }

    #apps-exhibition-root .apps-exhibition-filter .filter-label {
        font-size: 14px;
        line-height: 32px;
        padding-right: 2px;
    }

    #apps-exhibition-root .filter-scroll {
        overflow-x: auto;
        overflow-y: hidden;
        scrollbar-width: none;
        -ms-overflow-style: none;
        min-width: 0;
        /* 用 mask 让滚动内容在右缘自然渐隐，替代原白色渐变遮罩：
           原遮罩叠在胶囊上层，长文字分类滚动/点击到边缘时，
           激活胶囊右端被白色渐变漂白，看起来像"高亮缺一块"。
           mask 是裁切而非遮挡，胶囊渐隐为透明，不存在覆盖层级。 */
        -webkit-mask-image: linear-gradient(to right, #000 0, #000 calc(100% - 24px), transparent 100%);
        mask-image: linear-gradient(to right, #000 0, #000 calc(100% - 24px), transparent 100%);
        -webkit-mask-repeat: no-repeat;
        mask-repeat: no-repeat;
    }

    #apps-exhibition-root .filter-scroll::-webkit-scrollbar {
        display: none;
    }

    #apps-exhibition-root .filter-scroll-inner {
        display: flex;
        flex-wrap: nowrap;
        gap: 8px;
        /* 末端缓冲与 mask 淡出宽度一致：保证任何浏览器下
           （含 Safari 合成滚动层吞末端 padding 的怪癖），
           贴右缘的胶囊完整处于淡出区，不会与卡片边界硬碰 */
        padding-right: 24px;
        min-width: max-content;
    }

    #apps-exhibition-root .apps-exhibition-filter .filter-btn {
        font-size: 14px;
        padding: 6px 14px;
        flex-shrink: 0;
    }
}

/* --- 平板适配 (769px - 1024px) --- */
@media (min-width: 769px) and (max-width: 1024px) {
    #apps-exhibition-root .apps-exhibition-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    #apps-exhibition-root {
        padding: 0 20px;
    }
}

/* --- 小屏幕移动端适配 (480px以下) --- */
@media (max-width: 480px) {
    #apps-exhibition-root {
        padding: 0 10px;
    }

    #apps-exhibition-root .apps-exhibition-list {
        gap: 10px;
    }

    #apps-exhibition-root .apps-exhibition-item {
        padding: 10px;
        gap: 12px;
    }

    #apps-exhibition-root .app-icon-wrapper {
        width: 50px;
        height: 50px;
    }

    #apps-exhibition-root .app-name {
        font-size: 15px;
    }

    #apps-exhibition-root .app-desc {
        font-size: 12px;
    }

    #apps-exhibition-root .app-platform-tags .platform-tag {
        font-size: 10px;
        padding: 2px 8px;
    }

    #apps-exhibition-root .apps-exhibition-filter-group {
        padding: 8px 10px;
        border-radius: 10px;
    }

    #apps-exhibition-root .apps-exhibition-filter .filter-label {
        font-size: 13px;
        line-height: 30px;
    }

    #apps-exhibition-root .apps-exhibition-filter .filter-btn {
        font-size: 13px;
        padding: 5px 12px;
    }
}

/* --- 超大屏幕适配 (1440px以上) --- */
@media (min-width: 1440px) {
    #apps-exhibition-root {
        max-width: 1400px;
    }

    #apps-exhibition-root .apps-exhibition-list {
        grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
        gap: 18px;
    }
}